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Trajectory prediction is an important task that involves modeling the indeterminate nature of traffic actors to forecast future trajectories given the observed trajectory sequences. However, current methods confine themselves to presumed…

Robotics · Computer Science 2023-12-18 Pranav Singh Chib , Pravendra Singh

Diffusion models excel at generating high-quality, diverse images but suffer from training data memorization, raising critical privacy and safety concerns. Data unlearning has emerged to mitigate this issue by removing the influence of…

Machine Learning · Computer Science 2026-03-31 Qitan Shi , Cheng Jin , Jiawei Zhang , Yuantao Gu

Neural implicit surface representation methods have recently shown impressive 3D reconstruction results. However, existing solutions struggle to reconstruct driving scenes due to their large size, highly complex nature and their limited…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Hala Djeghim , Nathan Piasco , Moussab Bennehar , Luis Roldão , Dzmitry Tsishkou , Désiré Sidibé

Speed-of-sound is a biomechanical property for quantitative tissue differentiation, with great potential as a new ultrasound-based image modality. A conventional ultrasound array transducer can be used together with an acoustic mirror, or…

Computer Vision and Pattern Recognition · Computer Science 2018-07-20 Valery Vishnevskiy , Sergio J Sanabria , Orcun Goksel

The implementation of road user models that realistically reproduce a credible behavior in a multi-agentsimulation is still an open problem. A data-driven approach consists on to deduce behaviors that may exist in real situation to obtain…

Artificial Intelligence · Computer Science 2024-07-04 Nelson de Moura , Augustin Gervreau-Mercier , Fernando Garrido , Fawzi Nashashibi

This paper proposes an end-to-end deep learning framework integrating optical motion capture with a Transformer-based model to enhance medical rehabilitation. It tackles data noise and missing data caused by occlusion and environmental…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Yeming Cai , Yang Wang , Zhenglin Li

Identifying mobility behaviors in rich trajectory data is of great economic and social interest to various applications including urban planning, marketing and intelligence. Existing work on trajectory clustering often relies on similarity…

Machine Learning · Computer Science 2020-03-04 Mingxuan Yue , Yaguang Li , Haoze Yang , Ritesh Ahuja , Yao-Yi Chiang , Cyrus Shahabi

Collecting realistic driving trajectories is crucial for training machine learning models that imitate human driving behavior. Most of today's autonomous driving datasets contain only a few trajectories per location and are recorded with…

Robotics · Computer Science 2020-04-06 Dominik Notz , Felix Becker , Thomas Kühbeck , Daniel Watzenig

Detecting trajectory anomalies is a vital task in modern Intelligent Transportation Systems (ITS), enabling the identification of unsafe, inefficient, or irregular travel behaviours. While deep learning has emerged as the dominant approach,…

Machine Learning · Computer Science 2025-11-24 Rui Xue , Dan He , Fengmei Jin , Chen Zhang , Xiaofang Zhou

We propose DrivingForward, a feed-forward Gaussian Splatting model that reconstructs driving scenes from flexible surround-view input. Driving scene images from vehicle-mounted cameras are typically sparse, with limited overlap, and the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Qijian Tian , Xin Tan , Yuan Xie , Lizhuang Ma

One fundamental challenge of vehicle re-identification (re-id) is to learn robust and discriminative visual representation, given the significant intra-class vehicle variations across different camera views. As the existing vehicle datasets…

Computer Vision and Pattern Recognition · Computer Science 2022-05-02 Zhedong Zheng , Tao Ruan , Yunchao Wei , Yi Yang , Tao Mei

In the real world, trajectory data is often sparse and incomplete due to low collection frequencies or limited device coverage. Trajectory recovery aims to recover these missing trajectory points, making the trajectories denser and more…

Artificial Intelligence · Computer Science 2025-03-25 Qingyue Long , Can Rong , Huandong Wang , Shaw Rajib , Yong Li

Predicting future motion is crucial in video understanding and controllable video generation. Dense point trajectories are a compact, expressive motion representation, but modeling their future evolution from observed video remains…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Zewei Zhang , Jia Jun Cheng Xian , Kaiwen Liu , Ming Liang , Hang Chu , Jun Chen , Renjie Liao

Image denoising is a fundamental and challenging task in the field of computer vision. Most supervised denoising methods learn to reconstruct clean images from noisy inputs, which have intrinsic spectral bias and tend to produce…

Computer Vision and Pattern Recognition · Computer Science 2023-09-20 Yujin Wang , Lingen Li , Tianfan Xue , Jinwei Gu

Pedestrian trajectory prediction is crucial for autonomous driving and robotics. While existing point-based and grid-based methods expose two main limitations: insufficiently modeling human motion dynamics, as they fail to balance local…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Yanghong Liu , Xingping Dong , Ming Li , Weixing Zhang , Yidong Lou

User mobility modeling serves a crucial role in analysis and optimization of contemporary wireless networks. Typical stochastic mobility models, e.g., random waypoint model and Gauss Markov model, can hardly capture the distribution…

Artificial Intelligence · Computer Science 2024-07-30 Zhenyu Tao , Wei Xu , Xiaohu You

Trajectory representation learning on a network enhances our understanding of vehicular traffic patterns and benefits numerous downstream applications. Existing approaches using classic machine learning or deep learning embed trajectories…

Machine Learning · Computer Science 2023-12-14 Yuanbo Tang , Zhiyuan Peng , Yang Li

Visual tracking is typically solved as a discriminative learning problem that usually requires high-quality samples for online model adaptation. It is a critical and challenging problem to evaluate the training samples collected from…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Weichao Li , Xi Li , Omar Elfarouk Bourahla , Fuxian Huang , Fei Wu , Wei Liu , Zhiheng Wang , Hongmin Liu

While data-driven trajectory prediction has enhanced the reliability of autonomous driving systems, it still struggles with rarely observed long-tail scenarios. Prior works addressed this by modifying model architectures, such as using…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Daehee Park , Monu Surana , Pranav Desai , Ashish Mehta , Reuben MV John , Kuk-Jin Yoon

The development of safety-oriented research and applications requires fine-grain vehicle trajectories that not only have high accuracy, but also capture substantial safety-critical events. However, it would be challenging to satisfy both…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Ou Zheng , Mohamed Abdel-Aty , Lishengsa Yue , Amr Abdelraouf , Zijin Wang , Nada Mahmoud